Xeon Platinum 8276L vs Pentium III 866
Primary details
Comparing Pentium III 866 and Xeon Platinum 8276L processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon Platinum |
| Architecture codename | Coppermine T (2000) | Cascade Lake (2019−2020) |
| Release date | 20 March 2000 (24 years ago) | 2 April 2019 (5 years ago) |
| Launch price (MSRP) | no data | $16,616 |
Detailed specifications
Pentium III 866 and Xeon Platinum 8276L basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 1 (Single-Core) | 28 (Octacosa-Core) |
| Threads | 1 | 56 |
| Base clock speed | no data | 2.2 GHz |
| Boost clock speed | 0.87 GHz | 4 GHz |
| Multiplier | no data | 22 |
| L1 cache | 32 KB | 1.75 MB |
| L2 cache | 256 KB | 28 MB |
| L3 cache | 0 KB | 38.5 MB |
| Chip lithography | 180 nm | 14 nm |
| Die size | 106 mm2 | no data |
| Maximum core temperature | no data | 89 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 28 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Pentium III 866 and Xeon Platinum 8276L compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 2 | 8 (Multiprocessor) |
| Socket | 370 | FCLGA3647 |
| Power consumption (TDP) | 27 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and Xeon Platinum 8276L. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
Pentium III 866 and Xeon Platinum 8276L technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 866 and Xeon Platinum 8276L are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and Xeon Platinum 8276L. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-2933 |
| Maximum memory size | no data | 4.5 TB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 140.8 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium III 866 and Xeon Platinum 8276L.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Recency | 20 March 2000 | 2 April 2019 |
| Physical cores | 1 | 28 |
| Threads | 1 | 56 |
| Chip lithography | 180 nm | 14 nm |
| Power consumption (TDP) | 27 Watt | 165 Watt |
Pentium III 866 has 511.1% lower power consumption.
Xeon Platinum 8276L, on the other hand, has an age advantage of 19 years, 2700% more physical cores and 5500% more threads, and a 1185.7% more advanced lithography process.
We couldn't decide between Pentium III 866 and Xeon Platinum 8276L. We've got no test results to judge.
Note that Pentium III 866 is a desktop processor while Xeon Platinum 8276L is a server/workstation one.
Should you still have questions on choice between Pentium III 866 and Xeon Platinum 8276L, ask them in Comments section, and we shall answer.
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